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dc.contributor.author
Martinez, Juan Manuel  
dc.contributor.author
Galantini, Juan Alberto  
dc.contributor.author
Duval, Matias Ezequiel  
dc.date.available
2018-03-02T20:42:17Z  
dc.date.issued
2017-12  
dc.identifier.citation
Martinez, Juan Manuel; Galantini, Juan Alberto; Duval, Matias Ezequiel; A rapid method for estimating labile carbon and nitrogen pools in Mollisols under no-tillage; Taylor & Francis; Archives of Agronomy and Soil Science; 12-2017; 1-7  
dc.identifier.issn
0365-0340  
dc.identifier.uri
http://hdl.handle.net/11336/37748  
dc.description.abstract
The objective of this study was to adapt the partial chemical digestion method for estimation of labile soil organic matter pools by evaluating the effect of different digestion times in Mollisols of the Argentine Pampas. The soils were sampled from nine agricultural fields under no-tillage at the 0–20 cm depth. A chemical method was performed through partial soil digestion with dilute sulphuric acid at 100°C on the basis of four digestion times: 1 (Nd1), 2 (Nd2), 4 (Nd4) and 6 (Nd6) hours. Soil organic carbon (C) and nitrogen (N) fractions were determined. The extracted organic N (Nd) ranged from 0.076 g kg−1 to 0.273 g kg−1, with a mean of 0.154 g kg−1. Statistically, the means for each digestion time indicated highly significant differences (P = 0.008). High correlations were found between Nd for different times and labile C and N fractions. However, the best fit prediction was observed between Nd2 and soil total carbohydrates (CHt), with a high coefficient of determination (R2 = 0.94). Partial chemical digestion for 2 h can be used as a rapid indicator to accurately predict CHt. Because of its speed and simplicity, this method may also be useful for rapid soil quality assessments.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Taylor & Francis  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Chemical Hydrolysis  
dc.subject
Partial Digestion  
dc.subject
Sensitivity Indicators  
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Soil Organic Fractions  
dc.subject.classification
Meteorología y Ciencias Atmosféricas  
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Ciencias de la Tierra y relacionadas con el Medio Ambiente  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
A rapid method for estimating labile carbon and nitrogen pools in Mollisols under no-tillage  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2018-03-02T15:13:51Z  
dc.identifier.eissn
1476-3567  
dc.journal.pagination
1-7  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Londres  
dc.description.fil
Fil: Martinez, Juan Manuel. Universidad Nacional del Sur. Departamento de Agronomía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina  
dc.description.fil
Fil: Galantini, Juan Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; Argentina  
dc.description.fil
Fil: Duval, Matias Ezequiel. Universidad Nacional del Sur. Departamento de Agronomía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina  
dc.journal.title
Archives of Agronomy and Soil Science  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/full/10.1080/03650340.2017.1422123  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1080/03650340.2017.1422123